Home / 326,847.20-450,006.36-278,908.16

Finding the Fourth Proportional to 326,847.20, 450,006.36 and 278,908.16

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Solution

The fourth proportional to 326,847.20, 450,006.36 and 278,908.16 is: 384,003.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,847.20 : 450,006.36 = 278,908.16 : x
  2. Step 2: Convert to fraction form
    326,847.20/450,006.36 = 278,908.16/x
  3. Step 3: Cross multiply
    326,847.20x = 450,006.36 × 278,908.16
  4. Step 4: Simplify right side
    326,847.20x = 125,510,443,605.87
  5. Step 5: Solve for x
    x = 125,510,443,605.87/326,847.20
  6. Step 6: Final answer
    x = 384,003.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.